Roelof van der Merwe took two wickets and scored a crucial 16-ball 25 to drive his side towards a semi-final win over tournament favourites Ireland.
Matthew Cross struck 61 off 45 balls as Scotland chased down the target of 168 in 19 overs.
“The board also confirms he is part of the ongoing ICC anti-corruption investigation.”
Oman were indebted to opener Jatinder Singh, who carried his bat for 67 with seven boundaries and a six.
UAE were all out for 108, with nine balls left, after 18.3 overs as Mark Watt and Safyaan Sharif each took three wickets.
All-rounder JJ Smit blasted 59 off 25 balls as Namibia beat Oman by 54 runs to progress to the eight-team first round of the World Cup in Australia.
The Netherlands stormed to the semifinal of the ICC T20 qualifier and also confirmed their entry into the T20 World Cup next year.
Ryan ten Doeschate steered Netherlands' tricky chase of the 131-run target in a brilliant manner staying unbeaten at 51 till the end.
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